{"product_id":"four-seasons-78561-a-c-compressor","title":"Four Seasons 78561 A\/C Compressor","description":"\u003ch2\u003eOverview of Four Seasons New Compressor 78561\u003c\/h2\u003e\u003cp\u003eThe Four Seasons New Compressor 78561 is designed to restore efficient air conditioning performance in select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles. Engineered for compatibility with R134a refrigerant, this A\/C compressor ensures reliable operation in models such as the Trailblazer, Envoy, and Ascender.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with R134a refrigerant and Pag 46 oil\u003c\/li\u003e\n\u003cli\u003eIncludes clutch and heat sensor switch for precise control\u003c\/li\u003e\n\u003cli\u003e12-volt coil with 1 wire lead for straightforward electrical connection\u003c\/li\u003e\n\u003cli\u003e6-groove serpentine pulley with 3.875-inch diameter\u003c\/li\u003e\n\u003cli\u003eTangent mount type with 2.000-inch clutch to mounting flange distance\u003c\/li\u003e\n\u003cli\u003eSealing washer type suction and discharge ports with included O-rings\u003c\/li\u003e\n\u003cli\u003eDesigned for Sanden\/Sankyo TRSA12 compressor type applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFour Seasons New Compressor Product Line Details\u003c\/h2\u003e\u003cp\u003eThe New Compressor line from Four Seasons focuses on delivering brand-new, direct replacement A\/C compressors that meet original equipment specifications. This product line emphasizes quality components such as included oil fill, heat switch, and clutch assembly to simplify installation and ensure system compatibility. The 78561 model exemplifies this approach by providing a complete compressor unit ready for installation in compatible vehicles.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Features\u003c\/h2\u003e\u003cp\u003eThe Four Seasons 78561 A\/C compressor is engineered for vehicles using R134a refrigerant and compatible with Pag 46 refrigerant oil, ensuring proper lubrication and system longevity. It features a 12-volt coil with a single wire lead, facilitating electrical integration. The clutch assembly, included with the compressor, has a maximum diameter of 3.875 inches and operates with a heat switch to regulate engagement. The pulley system includes a 6-groove serpentine belt design with a 3.875-inch diameter, supporting efficient power transfer. Mounting is via a tangent mount with a 2.000-inch distance from clutch to mounting flange, matching OEM specifications. Both suction and discharge ports utilize sealing washers with included O-rings for leak prevention.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick Rainier\u003c\/li\u003e\n\u003cli\u003eChevrolet Trailblazer, Trailblazer EXT\u003c\/li\u003e\n\u003cli\u003eGMC Envoy, Envoy XL, Envoy XUV\u003c\/li\u003e\n\u003cli\u003eIsuzu Ascender, Bravada\u003c\/li\u003e\n\u003cli\u003eOldsmobile models compatible with Sanden\/Sankyo TRSA12 compressors\u003c\/li\u003e\n\u003cli\u003eSaab 9-7x\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Compressor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLoss of A\/C cooling due to compressor failure\u003c\/li\u003e\n\u003cli\u003eClutch engagement problems causing intermittent A\/C operation\u003c\/li\u003e\n\u003cli\u003eRefrigerant leaks at compressor ports\u003c\/li\u003e\n\u003cli\u003eNoise or vibration from worn pulley or clutch assembly\u003c\/li\u003e\n\u003cli\u003eElectrical issues related to coil or heat switch malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation requires removal of the old compressor and proper handling of refrigerant according to environmental regulations. The Four Seasons 78561 compressor comes oil filled and includes the clutch and heat sensor switch, but mounting hardware is not included and must be reused or sourced separately. Ensure the serpentine belt is properly aligned on the 6-groove pulley. Verify the correct O-rings are installed on suction and discharge ports to prevent leaks. Electrical connections should match the pin terminal and single wire lead coil configuration.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThis Four Seasons New Compressor 78561 is a brand-new unit manufactured to meet or exceed OEM standards. It includes factory-installed components such as the clutch and heat sensor switch to ensure system compatibility. While mounting hardware is not included, the compressor is supplied with necessary O-rings and sealing washers. Four Seasons typically offers a limited warranty on their new compressors; please refer to the product documentation for specific warranty terms.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44614831636661,"sku":"BBRN-78561","price":264.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_78561_Fro.jpg?v=1775070509","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-78561-a-c-compressor","provider":"PartCatalog","version":"1.0","type":"link"}